The Propagation Proposition
🎞️ S12 E12 ✅ All clear

The Big Bang Theory

Is The Big Bang Theory S12 E12 OK for kids?

The Propagation Proposition

Penny's ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.

📺 Where to watch

Netflix, HBO or Disney+ — catalogs differ by country.

🛒 Where to buy

Digital seasons or a box set to keep.

Content guide

👊 Violence
💋 Sex
🙊 Language
⭐ Overall

Mild — okay from about 10+

The Big Bang Theory S12 E12, “The Propagation Proposition”, scores 1/5 for violence, 2/5 for sex and 2/5 for language, for an overall kid-rating of 2/5 — Mild — okay from about 10+. Penny's ex-boyfriend, Zack, and his wife want a baby, but when Zack is infertile, they ask Leonard for help. Also, Koothrappali attempts to mend things with his ex-fiancée, Anu.

Across the episode we counted 5 flagged moments in 2 themes: Sex & hookups (2); Alcohol & drugs (3). Every moment below is either a direct quote from the episode transcript or a short description of what happens on screen, so you can decide before you press play.

Watch for — every moment, theme by theme

Sex & hookups 2 moments

How Sex & hookups shows up in The Big Bang Theory S12 E12:

  • Just because I slept with your wife doesn't mean you get to sleep with mine.
  • Really? So you'd be okay if someone wanted to use Sheldon as their sperm donor? Oh, absolutely not.

Alcohol & drugs 3 moments

How Alcohol & drugs shows up in The Big Bang Theory S12 E12:

  • " I have a bottle of champagne for you.
  • Amy got drunk and kept telling us that Sheldon's chest is smooth like a porpoise.
  • Uh, okay, well, how is that different than what you're doing? Hmm? Worried that you wasted so many years dating the wrong people, and now, you're just looking for a shortcut.

Watch With The Kids · You kids — your rules! · Informal parent guidance, not an official rating.